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United States Patent | 6,099,990 |
Denton, III ,   et al. | August 8, 2000 |
A method (50) of fabricating a microscopically dense amorphous carbon material for use as an electrode (20) in an electrochemical cell (10) includes the steps of mixing a lignin material with a matrix-enhancing salt, and subsequently heating (72) the mixture.
Inventors: | Denton, III; Frank R. (Lawrenceville, GA); Smith; Daryl R. (Sugar Hill, GA) |
Assignee: | Motorola, Inc. (Schaumburg, IL) |
Appl. No.: | 048634 |
Filed: | March 26, 1998 |
Current U.S. Class: | 429/231.8; 423/447.5; 429/231.4 |
Intern'l Class: | H01M 004/58 |
Field of Search: | 423/447.4,447.2,447.7,447.8,447.9 429/231.4,231.8 |
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5536597 | Jul., 1996 | Takahashi et al. | 429/194. |
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5591548 | Jan., 1997 | Mao | 429/218. |
5635151 | Jun., 1997 | Zhang et al. | 423/445. |
5658685 | Aug., 1997 | Oliver | 429/190. |
5702845 | Dec., 1997 | Kawakami et al. | 429/224. |
5888670 | Mar., 1999 | Kawakami | 429/231. |
Linden, editor, "Handbook of Batteries, Second Edition", McGraw-Hill, pp. 3-1 through 3-11, 1995. No Month available. Handbook of Carbon, Graphite, Diamond and Fullerenes, Properties, Processing and Applications, by Hugh O. Pierson, Noyes Publications, 1993. (no month available) |